Portable radio



FIG. 1 is a top, front and right side perspective view of a portable radio showing our new design;

FIG. 2 is a left side elevation thereof;

FIG. 3 is a rear elevation view thereof; and,

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a top plan view thereof.

The broken lines immediately adjacent the shaded portions of the design depict the boundaries of our design and form no part thereof. Further, the broken line showing of the upper portion of the portable radio is for illustrative purposes only and, again forms no part of our claimed design. 

The ornamental design for a portable radio, as shown and described. 